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Harshdeep S.
$15/hr
96% Job Success
$100K+ earned
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Top-Rated Certified Full Stack Developer with 14+ years of experience building high-performance websites, web apps, PaaS, and SaaS across industries like E-Commerce, FinTech, Education, Beauty, Fitness, On-Demand, LMS, Social Media, Healthcare, and many more. 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬:- -- Frontend: React, JavaScript, HTML5, CSS3, Bootstrap 5, Webpack, Vite, Next.js, Astro, Tailwind CSS, TypeScript -- Backend: PHP (8.3+), Node.js (LTS), Laravel (11+) -- CMS & eCommerce: WordPress (Gutenberg, Full Site Editing, Headless WordPress), Shopify (Online Store 2.0, Hydrogen, Headless Shopify), Webflow -- Performance: Core Web Vitals, Lighthouse Optimization, Lazy Loading, Image Optimization -- Cloud & DevOps: AWS (S3, EC2, CloudFront, SQS, SNS), Cloudflare (CDN, DNS, Workers) -- Server Management: Linux (Ubuntu, CentOS), Nginx, Apache, PHP-FPM -- API Integrations: Google Maps, Facebook Graph API, Twitter, LinkedIn, Instagram, MailChimp, Dropbox, Payment, Webhooks, AI/LLM APIs, and more -- Security & Compliance: OWASP best practices, JWT/OAuth 2.0, GDPR-ready implementations -𝘼𝙫𝙖𝙞𝙡𝙖𝙗𝙞𝙡𝙞𝙩𝙮: ⏱ 40+ hours/week 🌎 Flexible with time zones **I am always eager to learn new technologies and build modern, scalable, and high-performance web applications using top-notch tech stacks.** 𝟏𝟎𝟎% 𝐡𝐢𝐠𝐡-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐰𝐨𝐫𝐤, 𝐨𝐧-𝐭𝐢𝐦𝐞 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐲, 𝐭𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐛𝐮𝐝𝐠𝐞𝐭 𝐟𝐥𝐞𝐱𝐢𝐛𝐢𝐥𝐢𝐭𝐲 𝐭𝐨 𝐚𝐥𝐢𝐠𝐧 𝐰𝐢𝐭𝐡 𝐲𝐨𝐮𝐫 𝐠𝐨𝐚𝐥𝐬. Let's connect and discuss your requirements. Happy to help you!!
Harshdeep S. has worked .
IAPPTECHNOLOGIES LLP
Associated with
IAPPTECHNOLOGIES LLP
$1M+
earned
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Chadwick M.
$150/hr
100% Job Success
$90K+ earned
Available now
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Do you have an app or website you created with AI that seems to work fine initially? Then, once users started hitting it, everything fell apart, leaving your customers frustrated and your profits diminished? Are you feeling lost, unable to get Claude or ChatGPT to fix those pesky niche technical issues? I'm the guy you're looking for. I will audit your codebase for vulnerabilities, bugs, errors, and performance concerns, and develop a strategy for tackling those issues. I will bulletproof your product, making sure it stands up to real-world use and is protected against security exploits. In the process, I will rework your system architecture to withstand pressures that arise as your product grows. Don't be left stranded with a codebase with a ton of performance and security issues that can't scale well. Hire me, and your codebase will be in good hands.
Chadwick M. has worked .
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Mohammad Sabbir A.
$20/hr
100% Job Success
$20K+ earned
Available now
Offers consultations
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𝟲𝟬+ 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀. Every client is satisfied. 𝟱+ 𝘆𝗲𝗮𝗿𝘀 building production systems. Zero compromises on quality. Here's the truth most won't tell you: 𝘁𝗵𝗲 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 𝗮 𝗽𝗿𝗼𝗳𝗶𝘁𝗮𝗯𝗹𝗲 𝘄𝗲𝗯 𝗮𝗽𝗽 𝗮𝗻𝗱 𝗮 𝗺𝗼𝗻𝗲𝘆 𝗽𝗶𝘁 𝗶𝘀𝗻'𝘁 𝘁𝗵𝗲 𝗶𝗱𝗲𝗮 𝗶𝘁'𝘀 𝘁𝗵𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘆𝗼𝘂 𝗰𝗵𝗼𝗼𝘀𝗲. You've seen it before. Budgets doubled with nothing to show. Features that worked in the demo but crashed in production. Code so messy that the next developer quoted you triple just to fix it. A launch date that kept getting "just one more week." 📞𝗜𝗳 𝘁𝗵𝗮𝘁 𝘀𝗼𝘂𝗻𝗱𝘀 𝗳𝗮𝗺𝗶𝗹𝗶𝗮𝗿, 𝘄𝗲 𝘀𝗵𝗼𝘂𝗹𝗱 𝘁𝗮𝗹𝗸. I'm Mohammad Sabbir, a 🎖️𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 who's spent 𝟱+ 𝘆𝗲𝗮𝗿𝘀 building enterprise applications that actually scale. I cut my teeth as a full-stack developer at an MNC Company, where "good enough" wasn't in the vocabulary and deadlines weren't suggestions. Before writing a single line of code, I solve the problem on paper, requirements documented, architecture mapped, database modeled, and UI prototyped in Figma for your approval. This planning phase alone 𝘀𝗮𝘃𝗲𝘀 𝟴𝟬% of the expensive rewrites that kill most web projects. 🔧 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗬 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗦𝘁𝗮𝗰𝗸: React.js • Next.js • Vue.js • Angular • TypeScript • JavaScript (ES6+) • HTML5 • CSS3 • Tailwind CSS • Bootstrap • Material-UI • Redux • Context API 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: Node.js • Express.js • Nest.js • PHP • Laravel • Python • Django • Flask • FastAPI • RESTful APIs • GraphQL • Microservices Architecture 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀: MongoDB • PostgreSQL • MySQL • Firebase • Elasticsearch • Database Design & Optimization 𝗔𝗜 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴: OpenAI API • ChatGPT • TensorFlow • Natural Language Processing • Intelligent Automation • AI Chatbots 𝗖𝗹𝗼𝘂𝗱 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: AWS (EC2, S3, Lambda, RDS, CloudFront) • Google Cloud Platform • Microsoft Azure • Docker • Kubernetes • Nginx • Apache 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗧𝗼𝗼𝗹𝘀: CI/CD Pipelines • Jenkins • GitHub Actions • Git • Agile/Scrum • Unit Testing • Performance Monitoring 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 & 𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱𝘀: OAuth 2.0 • JWT Authentication • SSL/TLS • OWASP Best Practices • HIPAA Compliance • GDPR Compliance 𝗖𝗠𝗦 & 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: WordPress • Shopify • WooCommerce • Strapi • Contentful • Custom CMS Development 🏢 𝗖𝗟𝗜𝗘𝗡𝗧 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 I've shipped production systems for clients across: E-commerce & Retail • SaaS & Technology Startups • Healthcare & Medical Systems • Financial Services & FinTech • Education & E-Learning Platforms • Real Estate & Property Management • Food Delivery & On-Demand Services • Fitness & Wellness Apps • Travel & Hospitality • Media & Entertainment ⭐ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘 Here's what separates good developers from great ones: 𝗣𝗹𝗮𝗻𝗻𝗶𝗻𝗴 𝗰𝗼𝗺𝗲𝘀 𝗳𝗶𝗿𝘀𝘁, 𝗮𝗹𝘄𝗮𝘆𝘀: Every project starts with detailed documentation—requirements, architecture, database schema, and approved UI prototypes. No surprises, no scope creep. 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗶𝘀 𝗻𝗼𝗻-𝗻𝗲𝗴𝗼𝘁𝗶𝗮𝗯𝗹𝗲: Four-hour response time maximum. Regular updates. Clear explanations. You'll never wonder what's happening with your project. 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 𝗵𝗮𝗽𝗽𝗲𝗻𝘀 𝗯𝗲𝗳𝗼𝗿𝗲 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆: Unit tests, integration tests, security audits, and performance optimization. If it ships, it works. 𝗖𝗼𝗱𝗲 𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗺𝗮𝘁𝘁𝗲𝗿𝘀: Clean, documented, maintainable code. When you need another developer later, they won't curse my name. 𝗜'𝗺 𝗵𝗲𝗿𝗲 𝗮𝗳𝘁𝗲𝗿 𝗹𝗮𝘂𝗻𝗰𝗵: Bug fixes, feature updates, performance optimization, scaling support. I build relationships, not just applications. 𝗛𝗼𝗻𝗲𝘀𝘁𝘆 𝗼𝘃𝗲𝗿 𝗮𝗴𝗿𝗲𝗲𝗺𝗲𝗻𝘁: If what you're asking for isn't what you need, I'll tell you. My job is to make your project succeed, not to collect a paycheck. The proof? 𝗔 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 𝘀𝗰𝗼𝗿𝗲 𝗮𝗰𝗿𝗼𝘀𝘀 𝟲𝟬+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀. Clients don't just leave positive reviews, they come back with their next project. 📩 𝗟𝗘𝗧'𝗦 𝗕𝗨𝗜𝗟𝗗 𝗬𝗢𝗨𝗥 𝗣𝗥𝗢𝗝𝗘𝗖𝗧 ⚡ Get a clear scope, honest timeline, and realistic budget within hours. → 𝗦𝗲𝗻𝗱 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲. 𝗟𝗲𝘁'𝘀 𝘀𝗵𝗶𝗽 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗴𝗿𝗲𝗮𝘁. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Full Stack Developer • Full-Stack Development • MERN Stack Developer • Senior Full Stack Engineer • React Developer • Node.js Developer • React / Node / MongoDB • PHP Laravel Developer • Python Django Developer • Next.js Development • Vue.js • Angular • Web Application Development • API Development • RESTful API • GraphQL • Cloud Architecture • AWS • DevOps • Docker • Kubernetes • CI/CD • WordPress Developer • Shopify Development • E-commerce Development • SaaS Development • AI Integration • OpenAI API • ChatGPT Integration
Mohammad Sabbir A. has worked .
Freelancer Portfolio Tile image
$50/hr
91% Job Success
$100K+ earned
Available now
Offers consultations
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𝐅𝐨𝐮𝐧𝐝𝐞𝐫 & 𝐂𝐄𝐎 – 𝐈𝐧 𝐘𝐨𝐮𝐫 𝐇𝐚𝐧𝐝 𝐌𝐞𝐝𝐢𝐚 | 𝐂𝐫𝐞𝐚𝐭𝐢𝐯𝐞 𝐃𝐢𝐫𝐞𝐜𝐭𝐨𝐫 & 𝐀𝐰𝐚𝐫𝐝-𝐖𝐢𝐧𝐧𝐢𝐧𝐠 𝐃𝐞𝐬𝐢𝐠𝐧𝐞𝐫 I help businesses design, build, and scale digital platforms that don’t just look good they perform, convert, and grow with your business 🚀 From high-converting Shopify and WooCommerce stores to advanced WordPress builds and fully custom SaaS platforms, I take ownership of the entire process strategy, design, development, and long-term optimization. With 12+ years of experience and 215+ successfully delivered projects, I’ve worked with startups, growing brands, and established companies across eCommerce, SaaS, and service-based industries, including: • Kirstie Fleur — Scalable eCommerce & multi-vendor marketplace • HizaKyte — SaaS workflow automation & analytics system • Sticker Fury — Mobile-first commerce platform with optimized UX • CoachDaveLee — Coaching platform with gated content & subscriptions • ClearWay Law — Legal SaaS platform with complex client workflows 🧠 What sets my work apart I don’t just “build websites” I engineer digital systems with a strong focus on performance, scalability, and business outcomes. Every decision, from structure to tech stack, is made with growth and usability in mind. 💻 CMS & eCommerce (Conversion-Focused Builds) I specialize in building and optimizing CMS-driven platforms that are easy to manage while delivering strong conversion performance: • Shopify (custom themes, app integrations, CRO improvements) • WooCommerce (custom logic, checkout optimization, scalability) • WordPress (Elementor, ACF, custom builds, performance tuning) • Squarespace (clean, modern, business-focused sites) What you can expect: ✔️ Fast-loading, SEO-friendly architecture ✔️ Clean backend structure for easy content management ✔️ Conversion-driven layouts (not just design, but strategy) ✔️ Seamless integrations (payments, CRM, email tools like Klaviyo) ⚙️ Full-Stack Web & Mobile Development For more advanced requirements, I build fully custom platforms tailored to your business logic: • Frontend: React, Next.js • Backend: Node.js, NestJS • Mobile: Flutter, React Native • APIs & Integrations: Stripe, Authorize.net, third-party services This is ideal for: ✔️ SaaS platforms ✔️ Marketplaces ✔️ Membership systems ✔️ Internal dashboards & tools I focus heavily on clean architecture, modular code, and scalability so your platform can grow without constant rebuilds 🔧 🤖 AI & Automation Integration I help businesses streamline operations and unlock new capabilities through smart automation: • GPT-powered workflows & assistants • Data extraction and processing systems • Automated reporting & internal tools • Process optimization to reduce manual work The goal is simple: save time, reduce costs, and improve efficiency ⚡ 📈 Conversion, UX & Performance Optimization A platform is only valuable if it performs. I continuously refine and optimize based on real user behavior: • UX/UI improvements based on user flow analysis • Speed optimization (Core Web Vitals, load time reduction) • Funnel optimization for higher conversions • Mobile-first and responsive design across all devices 🔧 Ongoing Support & Growth Beyond the initial build, I stay involved to ensure long-term success: • Regular updates and improvements • Performance monitoring and optimization • Bug fixing and stability enhancements • Feature expansion as your business evolves You’re not just getting a developer you’re getting a long-term technical partner 🤝 🧩 How I work ✔️ Clear and direct communication — always transparent and proactive ✔️ Structured workflow with defined milestones and timelines ✔️ Strong attention to detail in both design and development ✔️ Full ownership — from planning to final delivery and beyond ✔️ Long-term thinking — every build is scalable and future-ready 🎯 The end result You get a platform that: • Loads fast • Looks professional • Converts users into customers • Scales with your growth • Requires minimal maintenance headaches 📍 If you're serious about building a platform that actually performs, scales, and drives measurable results let’s connect.
Eric E. has worked .
In Your Hand Media, Inc
Associated with
In Your Hand Media, Inc
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Juliya P.
$35/hr
100% Job Success
$40K+ earned
Available now
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👋 Full Stack Developer (React, Node.js, TypeScript) for SaaS platforms, MVPs, and two-sided marketplaces. Part of a full-cycle delivery team - on Upwork since Sep 2010, 14 years in, 300+ contracts shipped, $700K+ earned, 100% Job Success, Top Rated. You get one developer who owns the whole system, plus an agency bench behind her. 💡 Hiring a full stack developer should not mean hiring a React developer and a Node developer in one body. The value is connection: I design how React, the Node.js backend, the database, and business logic move together from day one, so the front end never guesses what the backend means and the backend never returns data the front end does not use. Across 150+ products, that is what keeps React and Node from drifting apart. 🎯 WHAT YOU GET ➜ One accountable full stack developer who scopes honestly, gives a realistic estimate, and ships production-ready code - not two separate implementations stitched together. ➜ A web developer and backend developer in one: I diagnose and fix root causes (slow Node endpoints, CORS and auth errors, dropped env vars, broken React + Node integration), optimize performance, and deliver seamless integration. ➜ A team behind me. If the project grows past one developer, we scale without handing you off to strangers (19,765 hours of high-quality coding delivered). ➜ SaaS: multi-tenant architecture, billing and subscription logic, admin tools, webhook handling, auth and permissions - built for growth in e-learning, real estate, healthcare, fintech, and mobility. ➜ Marketplaces: Stripe Connect flows, booking and availability logic, operator dashboards, multi-role permissions, and complex search, designed as one workflow (buyer, seller, payments, operations). ➜ Backend developer work: REST API design, Express and NestJS services, PostgreSQL and MongoDB data modeling, Redis, event-driven and serverless functions, AWS and Vercel deploys. ➜ Existing codebases: I audit for stability, performance, and code quality, then make step-by-step improvements - no rebuild unless it is truly necessary. ➜ MVPs: a typical V1 ships in 5-6 weeks. One early build I helped ship went on to raise $3M. ➜ Front end: I turn UX designer handoffs into pixel-accurate, responsive UI - React Query strategy, shared TypeScript types, and state that matches the API. 🤖 I use AI coding tools the right way: faster scaffolding, migration prep, and reviews, while architecture, security, data modeling, and API contracts stay human-judged. As a JavaScript developer and software developer at core, I also take python developer work for backend services or data scripts when a project needs it. 🧩 Stack: React, Node.js (nodejs), TypeScript, Express, NestJS, PostgreSQL, MongoDB, Redis, Stripe, AWS, Vercel, Docker, CI/CD. 📊 14 years on Upwork ▪ 300+ contracts ▪ $700K+ earned ▪ 100% Job Success ▪ Top Rated ▪ 150+ products live ▪ 50+ countries ▪ 5,000+ end users on delivered platforms ▪ one MVP scaled to a $3M raise. Roles I take: full stack developer, full stack web developer, react developer, node developer, nodejs developer, backend developer, javascript developer, web developer, software developer, full stack react node developer. 📩 Need a full stack developer for a SaaS platform, marketplace, custom web app, or MVP -- or a backend developer to fix, optimize, and ship an existing React + Node system? Send a message with what you are building and I will give you a direct, practical view of what is involved, fixed-price or hourly.
Juliya P. has worked .
Roobykon | Digital marketplace development company | Custom web development
Associated with
Roobykon | Digital marketplace development company | Custom web development
$700K+
earned
Freelancer Portfolio Tile image
Haris K.
$20/hr
100% Job Success
$70K+ earned
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As a Full-Stack Developer with 10+ years of experience in web-related fields, I specialize in web design and development. It means that I have a familiarity with each layer of development and a commitment to gaining expertise in all technology. I have more than 10 years of experience in PHP programming and designing. I am Experienced with Laravel, Code-igniter, CakePHP, Responsive Designing, PHP, MySql, HTML, and CSS Programming. I am having CMS experience as well. Especially WordPress, Magento, Shopify, and Open Cart, and well aware of almost all tools in PHP. I have experience in theme development, Woo-commerce customization, parallax scrolling, extension development, Converting PSD to WP, Responsive Structure Programming, integration, and customization. I can ensure you in deriving optimum benefits from WordPress. In my case, I enjoy working with small businesses and individual decision-makers to provide architectural and custom business solutions that help my clients resolve mission-critical problems, grow their businesses, and improve their revenue stream and profitability. My skill sets include: Frontend skills: * HTML5 (audio, video, canvas, geolocation), css3; * Adaptive layouts/frameworks - Bootstrap Backend skills: * PHP,javascript Databases: * Relational: Mysql, Mysql MVC Frameworks: CodeIgniter, Laravel Knowledge of CMS: * WordPress; *Magento * Drupal; *Open Cart *Joomla etc. I am a professional who has worked with clients from around the globe, I am deeply involved in all my projects from start to finish. I listen to my clients attentively and provide them with a vision for what they want, and then I collaborate with them to create and execute a plan of action. I continuously provide my clients with the pros and cons of each choice they make and convey my recommendations for their selections.
Haris K. has worked .
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Vishal S.
$15/hr
100% Job Success
$30K+ earned
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Hi, My name is Vishal, I work for happy clients. I am CODE, and CODE implies "Committed, Open, Doer, Empowered". I regard deadlines and deliver high-quality work. I hope to work together!! ⭐️ I am well experienced when it comes to: ✔️ Advanced PHP ✔️ WordPress ✔️ Shopify ✔️ Laravel ✔️ HTML/CSS/PHP ✔️ Landing Page Building ✔️ Adobe Photoshop ✔️ Project Management ✔️ General English to all other languages Translations ✔️ Virtual Assistant Skills ⭐️ I will surely provide: ✔️ Extra support after completion of the project ✔️ Good communication ✔️ Regular status report ⭐️My way of working includes: ✔️ Completing tasks in a decided time frame ✔️ Being flexible on your updates ✔️ Superfine quality ✔️ Fluent English ⭐️I assure you: ✔️ Technical expertise with a solution to every problem ✔️ Awesome quality user experience ✔️ Cost-cutting
Vishal S. has worked .
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Hamza S.
$10/hr
100% Job Success
$10K+ earned
Offers consultations
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Your website should not just occupy space on the internet. It should serve as a high-performance engine that establishes immediate trust, streamlines your operations, and turns casual visitors into high-value customers. As a Top Rated WordPress & WooCommerce developer, I bridge the gap between pixel-perfect UI/UX design and rock-solid, conversion-optimized engineering. Whether you are scaling an established e-commerce brand or launch a custom web application, I deliver clean, scalable, and stress-free digital solutions. I specialize in building premium digital experiences for growing businesses, agencies, and e-commerce brands looking for a reliable technical partner. ✅ PREMIUM WORDPRESS DESIGN & DEVELOPMENT • Full-stack custom WordPress website design & development • Corporate, service-provider, and luxury portfolio websites • High-converting landing pages and specialized sales funnels • Modern redesigns, platform migrations, and structural overhauls • Figma, Adobe XD, or PSD to WordPress pixel-perfect conversions • Mobile-first responsive UI/UX architecture • Global templates, component libraries, and reusable block systems ✅ VISUAL BUILDERS & FRONTEND EXCELLENCE • Elementor & Elementor Pro advanced implementation • Custom Elementor widgets, template building, and dynamic loops • Bricks Builder and Breakdance ecosystem deployment • Gutenberg & native WordPress Block Editor optimization • Divi, WPBakery, Avada, and legacy theme modernization • Astra, Hello Elementor, GeneratePress, and custom child themes • Advanced Custom Fields (ACF) and Custom Post Types (CPT) • Clean frontend polish via custom semantic CSS and JavaScript ✅ WOOCOMMERCE & E-COMMERCE SCALING • High-performance WooCommerce store setup, scaling, and configuration • Custom product, archive, shop, cart, and multi-step checkout layouts • Secure payment gateway integrations (Stripe, PayPal, local solutions) • Complex shipping rules, automated tax calculation, and coupon architectures • Digital products, variable inventory, and subscription-based modeling • Abandoned cart recovery, product upsells, and cross-sell engines • API integrations, ERP connections, and third-party warehouse syncing ✅ SPEED PERFORMANCE & CORE WEB VITALS • Technical audit and absolute speed optimization • Optimization for Core Web Vitals (LCP, CLS, INP, TTFB) • PageSpeed Insights and GTmetrix score maximization • Advanced caching architectures (WP Rocket, LiteSpeed Cache) • WebP image compression, smart lazy loading, and script deferral • Font optimization, DOM depth reduction, and database cleanup • Cloudflare / CDN infrastructure configuration ✅ ADVANCED FUNCTIONALITY, AUTOMATION & CRMs • Dynamic booking engines, custom forms, and multi-step applications • Gravity Forms, Fluent Forms, and WPForms advanced logic • CRM and email marketing integrations (Mailchimp, Klaviyo, HubSpot) • Zapier and Make (Integromat) automated workflow connections • Membership architectures, user portals, and LMS setups (LearnDash) ✅ BUG FIXES, MAINTENANCE & EMERGENCY SUPPORT • Comprehensive WordPress troubleshooting and theme/plugin conflict resolution • Critical error mitigation and White Screen of Death (WSD) recovery • Database repairs, SSL/HTTPS handshake fixes, and mixed content resolution • WordPress security hardening and automated backup deployment • White-label development support for busy global agencies
Hamza S. has worked .
Freelancer Portfolio Tile image
Maksym B.
$33/hr
100% Job Success
$90K+ earned
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AI-Leveraged Delivery — ship 2× faster ⚡ Most developers say they're "fast." Then the staging environment shows up in week six. I do it differently — and I can show you the receipts. 🧾 ◆ 100% Job Success Score | Top Rated Plus | Full Stack Developer | React Next.js | Front End Developer ◆ I've been doing Software Development for 8+ years. In that time I've worked on everything from quick Landing Pages to multi-year SaaS platforms - and the thing that's stayed consistent is that clients get a working product, not a list of reasons why it's late. I work as a Full Stack Developer and Front End Developer, which means I'm comfortable owning the whole thing. React and Next.js are where I spend most of my time, but the stack goes deeper: Node.js, Python, PHP, Laravel, TypeScript, MongoDB, MySQL, PostgreSQL, SQL - whatever the project actually needs. I don't have a favourite technology. I have a favourite outcome: software that ships and works. ◆ FRONT-END DEVELOPMENT Front-End Development is my home base. I work with React, Next.js, Vue.js, Angular, JavaScript, TypeScript, HTML, HTML5, CSS, CSS 3, Bootstrap, jQuery, Redux, and Workbox.js for PWA builds. Web Design and Responsive Design aren't an afterthought - I work from Figma and Adobe Photoshop and care about how things look and feel across every device. PSD to HTML conversion, Front-End Development Framework setup, pixel-accurate implementation - all part of the job. ◆ FULL-STACK & BACK-END As a Full Stack Developer I connect the front end to a real backend: Node.js, Python, PHP, Laravel, NestJS, REST API, API Integration, SQL, MySQL, MongoDB, Database Architecture, Git, CI/CD. I've set up auth systems, payment flows via Stripe, third-party API Integration, and backend logic that doesn't fall over when traffic spikes. ◆ WHAT I BUILD ◆ SaaS platforms and Web Applications - React, Next.js, TypeScript, Redux, Tailwind, clean Web Design, fast load times, and Responsive Design that holds up on every screen ◆ AI-powered products - RAG pipelines, chatbots, OpenAI and Claude API Integration, document processing tools, pgvector retrieval ◆ E-commerce and WordPress - WooCommerce, custom themes and plugins, PSD to HTML, Web Development that converts ◆ Landing Pages and marketing sites - HTML5, CSS 3, Bootstrap, jQuery, Responsive Design, conversion-focused Web Design built for speed ◆ React Native mobile apps - cross-platform iOS and Android, shared codebase, App Store and Google Play ◆ Web Developer work across the full stack - API, Database Architecture, Laravel and PHP backends, Node.js services ◆ INDUSTRIES I've shipped projects across fintech and payments, healthcare and medical platforms, e-commerce and retail, EdTech, real estate, logistics and delivery, SaaS and B2B tools, marketplaces, social platforms, media and streaming, legal tech, travel and booking, fitness and wellness, and non-profit. Most verticals at this point. ◆ HOW I WORK I communicate early and directly. If scope is unclear I'll say so before we start, not after week four. If an approach won't work I'll tell you - and offer an alternative. Staging live in week one, weekly updates, clean code your next developer won't hate. ◆ RELATED EXPERTISE Full Stack Developer: web developer, react developer, wordpress developer, mobile app developer React Next.js: nestjs, workbox.js, web developer, front end developer Front End Developer: web developer, full stack developer, react developer, react ◆ READY TO START ASAP
Maksym B. has worked .
Coralsoft: Premium AI-Leveraged Software Development, Reliable Partner, Go-to-Market Strategy
Associated with
Coralsoft: Premium AI-Leveraged Software Development, Reliable Partner, Go-to-Market Strategy
$100K+
earned
Freelancer Portfolio Tile image
$15/hr
71% Job Success
$50K+ earned
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I help startups and growing businesses turn ideas into scalable, secure, and revenue-driven web applications built not just to function, but to support real growth, operational efficiency, and long-term success With 15+ years of experience, I’ve delivered custom platforms, APIs, and eCommerce solutions used by thousands of users, handling complex workflows, third-party integrations, and cloud infrastructure| 🔹 What I Specialize In ✅ Custom Web Applications & SaaS Platforms - Building scalable systems using React, Next.js, Node.js, and Laravel designed to grow with your business. ✅ Secure API Development & Integrations - REST & GraphQL APIs for mobile apps, third-party services, automation, and internal tools. ✅ Payment & Subscription Systems - Stripe, PayPal, AfterPay integrations including recurring billing, webhooks, and secure checkout flows. ✅ WordPress & WooCommerce Custom Solutions - Custom plugins, themes, performance optimization, and complex WooCommerce workflows (subscriptions, marketplaces, custom pricing). ✅ Cloud Infrastructure & Deployment - AWS setup, CI/CD pipelines, Dockerized environments, and scalable deployments 🔹 Primary Tech Stack - Frontend: React.js, Next.js, Vue.js, Tailwind CSS - Backend: Node.js, Laravel, PHP - Databases: MySQL, MongoDB - Cloud & DevOps: AWS, Docker, CI/CD - Payments: Stripe, PayPal, AfterPay 🔹 What You Can Expect ✔ Clean, well-documented, and maintainable code ✔ Architecture that scales without expensive rewrites ✔ Clear communication and reliable delivery ✔ Business-focused solutions with strong UX ✔ Long-term support, not just a one-off delivery If you are looking for a reliable long-term development partner or need help with a one-time project, feel free to invite me. I would be happy to discuss your requirements and suggest the best solutions!
Kunal S. has worked .